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range.c: Range#min with a beginless one now raise an explicit exception

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[Bug #16450]
This commit is contained in:
Yusuke Endoh 2019-12-25 13:35:22 +09:00
parent cd6c013b07
commit 81e377023c
2 changed files with 13 additions and 0 deletions
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7
range.c
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@ -1136,6 +1136,10 @@ range_last(int argc, VALUE *argv, VALUE range)
static VALUE
range_min(int argc, VALUE *argv, VALUE range)
{
if (NIL_P(RANGE_BEG(range))) {
rb_raise(rb_eRangeError, "cannot get the minimum of beginless range");
}
if (rb_block_given_p()) {
if (NIL_P(RANGE_END(range))) {
rb_raise(rb_eRangeError, "cannot get the minimum of endless range with custom comparison method");
@ -1185,6 +1189,9 @@ range_max(int argc, VALUE *argv, VALUE range)
}
if (rb_block_given_p() || (EXCL(range) && !nm) || argc) {
if (NIL_P(RANGE_BEG(range))) {
rb_raise(rb_eRangeError, "cannot get the maximum of beginless range with custom comparison method");
}
return rb_call_super(argc, argv);
}
else {